<template>
	<view>
		<!-- 地址 -->
		<navigator url="/pages/address/address?source=1" class="address-section">
			<view class="order-content">
				<text class="yticon icon-shouhuodizhi"></text>
				<view v-if="selectedAddress" class="cen">
					<view class="top">
						<text class="name">{{ selectedAddress.consigneeName }}</text>
						<text class="mobile">{{ selectedAddress.consigneeMobile }}</text>
					</view>
					<text class="address">{{ selectedAddress.province }} {{ selectedAddress.city }}
						{{ selectedAddress.area }} {{ selectedAddress.detailAddress }}</text>
				</view>
				<view v-else class="cen">
					<text>请选择收货地址</text>
				</view>
				<text class="yticon icon-you"></text>
			</view>
			<image class="a-bg"
				src="">
			</image>
		</navigator>

		<view class="goods-section">
			<view class="g-header b-b">
				<image class="logo" src="../../static/logo.png" />
				<text class="name">有来小店</text>
			</view>
			<!-- 商品列表 -->
			<view class="g-item" v-for="(item, index) in orderItems" :key="item.skuId">
				<image :src="item.picUrl"></image>
				<view class="right">
					<text class="title clamp">{{ item.skuName }}</text>
					<text class="spec"></text>
					<view class="price-box">
						<text class="price">￥{{ item.price | moneyFormatter }}</text>
						<text class="number">x {{ item.count }}</text>
					</view>
				</view>
			</view>
		</view>

		<!-- 优惠明细 -->
		<view class="yt-list">
			<view class="yt-list-cell b-b" @click="toggleMask('show')">
				<view class="cell-icon">券</view>
				<text class="cell-tit clamp">优惠券</text>
				<text class="cell-tip active" v-if="couponTitle == ''">选择优惠券</text>
				<text class="cell-tip active" v-else>{{ couponTitle }}</text>
				<text class="cell-more wanjia wanjia-gengduo-d"></text>
			</view>
			<view class="yt-list-cell b-b">
				<view class="cell-icon hb">减</view>
				<text class="cell-tit clamp">商家促销</text>
				<text class="cell-tip disabled">暂无可用优惠</text>
			</view>
		</view>
		<!-- 金额明细 -->
		<view class="yt-list">
			<view class="yt-list-cell b-b">
				<text class="cell-tit clamp">商品金额</text>
				<text class="cell-tip">￥{{ totalAmount | moneyFormatter }}</text>
			</view>
			<view class="yt-list-cell b-b">
				<text class="cell-tit clamp">优惠金额</text>
				<text class="cell-tip red">-￥{{ couponAmount | moneyFormatter }}</text>
			</view>
			<view class="yt-list-cell b-b">
				<text class="cell-tit clamp">运费</text>
				<text class="cell-tip" v-if="freightAmount == 0">免运费</text>
				<text class="cell-tip" v-else>-￥{{ freightAmount | moneyFormatter }}</text>
			</view>
			<view class="yt-list-cell desc-cell">
				<text class="cell-tit clamp">备注</text>
				<input class="desc" type="text" v-model="remark" placeholder="请填写备注信息"
					placeholder-class="placeholder" />
			</view>
		</view>

		<!-- 底部 -->
		<view class="footer">
			<view class="price-content">
				<text>实付款</text>
				<text class="price-tip">￥</text>
				<text class="price">{{ payAmount | moneyFormatter }}</text>
			</view>
			<text class="submit" @click="submit">提交订单</text>
		</view>

		<!-- 优惠券面板 -->
		<view class="mask" :class="maskState === 0 ? 'none' : maskState === 1 ? 'show' : ''" @click="toggleMask">
			<view class="mask-content" @click.stop.prevent="stopPrevent">
				<!-- 优惠券页面，仿mt -->
				<view class="coupon-item" v-for="(item, index) in couponList" :key="index" @click="changeCoupon(item)">
					<view class="con">
						<view class="left">
							<text class="title">{{ item.title }}</text>
							<text class="time">有效期至2019-06-30</text>
						</view>
						<view class="right">
							<text class="price">{{ item.price }}</text>
							<text>满30可用</text>
						</view>

						<view class="circle l"></view>
						<view class="circle r"></view>
					</view>
					<text class="tips">限新用户使用</text>
				</view>
			</view>
		</view>
	</view>
</template>

<script>
	import {
		confirm,
		submit
	} from '@/api/oms/order.js';

	import {
		list as addressList
	} from '@/api/ums/address.js';

	export default {
		data() {
			return {
				orderToken: undefined, // 订单提交令牌，防止订单重复提交实现幂等
				maskState: 0, //优惠券面板显示状态
				remark: undefined, //备注
				couponId: 0,
				couponTitle: undefined,
				couponAmount: 0,
				freightAmount: 0,
				payAmount: 0,
				couponList: [],
				totalAmount: 0,
				selectedAddress: undefined,
				orderItems: []
			};
		},
		onShow() {
			const pages = getCurrentPages(); //获取应用页面栈
			const  options= pages[pages.length - 1].options
			console.log('========>> 进入创建订单页面, 路径:', this.$mp.page.route, '参数', options.skuId);
			this.loadData(options);
		},
		methods: {
			async loadData(param) {
				uni.showLoading();
				
				confirm(param.skuId).then(response => {
					console.log('创建订单页加载数据', response.data);

					const {
						orderToken,
						orderItems,
						addresses
					} = response.data;
					// 选择一个地址，有默认地址首选默认，无则获取第一个地址
					if (addresses && addresses.length > 0) {
						const candidateAddresses = addresses.filter(item => item.defaulted == 1);
						if (candidateAddresses.length > 0) {
							this.selectedAddress = candidateAddresses[0];
						} else {
							this.selectedAddress = addresses[0];
						}
					}
					// 获取订单商品列表,计算总价
					this.orderItems = orderItems;
					if (this.orderItems.length == 1) {
						this.totalAmount = this.orderItems[0].count * this.orderItems[0].price;
					} else {
						this.totalAmount = this.orderItems.reduce((prev, curr) => {
							return prev.price * prev.count + curr.price * curr.count;
						});
					}

					this.orderToken = orderToken;
					this.calcPayAmount();
					uni.hideLoading();
				});
			},
			// 显示优惠券面板
			toggleMask(type) {
				let timer = type === 'show' ? 10 : 300;
				let state = type === 'show' ? 1 : 0;
				this.maskState = 2;
				setTimeout(() => {
					this.maskState = state;
				}, timer);
			},
			// 计算实际支付金额
			calcPayAmount() {
				this.payAmount = this.totalAmount - this.couponAmount - this.freightAmount;
			},

			// 优惠券change
			changeCoupon(data) {
				this.couponAmount = data.price;
				this.couponTitle = data.title;
				this.calcPayAmount();
				this.maskState = 0;
			},

			// 订单提交
			submit() {
				if (!this.selectedAddress) {
					this.$api.msg('请选择收货地址');
					return;
				}

				const data = {
					orderToken: this.orderToken, // 订单提交令牌，防止重复提交
					orderItems: this.orderItems, // 订单商品
					totalAmount: this.totalAmount, // 订单商品总价，用于后台验价
					deliveryAddress: this.selectedAddress, // 收货地址
					remark: this.remark, // 订单备注
					payAmount: this.payAmount // 订单支付金额
				};
				console.log('========订单提交========', data);
				submit(data).then(response => {
					console.log('订单提交响应结果', response.data);

					const {
						orderId,
						orderSn
					} = response.data;
					uni.redirectTo({
						url: '/pages/money/pay?orderId=' + orderId + '&orderSn=' + orderSn +
							'&payAmount=' + this.payAmount
					});
				});
			}
		}
	};
</script>

<style lang="scss">
	page {
		background: $page-color-base;
		padding-bottom: 100upx;
	}

	.address-section {
		padding: 30upx 0;
		background: #fff;
		position: relative;

		.order-content {
			display: flex;
			align-items: center;
		}

		.icon-shouhuodizhi {
			flex-shrink: 0;
			display: flex;
			align-items: center;
			justify-content: center;
			width: 90upx;
			color: #888;
			font-size: 44upx;
		}

		.cen {
			display: flex;
			flex-direction: column;
			flex: 1;
			font-size: 28upx;
			color: $font-color-dark;
		}

		.name {
			font-size: 34upx;
			margin-right: 24upx;
		}

		.address {
			margin-top: 16upx;
			margin-right: 20upx;
			color: $font-color-light;
		}

		.icon-you {
			font-size: 32upx;
			color: $font-color-light;
			margin-right: 30upx;
		}

		.a-bg {
			position: absolute;
			left: 0;
			bottom: 0;
			display: block;
			width: 100%;
			height: 5upx;
		}
	}

	.goods-section {
		margin-top: 16upx;
		background: #fff;
		padding-bottom: 1px;

		.g-header {
			display: flex;
			align-items: center;
			height: 84upx;
			padding: 0 30upx;
			position: relative;
		}

		.logo {
			display: block;
			width: 50upx;
			height: 50upx;
			border-radius: 100px;
		}

		.name {
			font-size: 30upx;
			color: $font-color-base;
			margin-left: 24upx;
		}

		.g-item {
			display: flex;
			margin: 20upx 30upx;

			image {
				flex-shrink: 0;
				display: block;
				width: 140upx;
				height: 140upx;
				border-radius: 4upx;
			}

			.right {
				flex: 1;
				padding-left: 24upx;
				overflow: hidden;
			}

			.title {
				font-size: 30upx;
				color: $font-color-dark;
			}

			.spec {
				font-size: 26upx;
				color: $font-color-light;
			}

			.price-box {
				display: flex;
				align-items: center;
				font-size: 32upx;
				color: $font-color-dark;
				padding-top: 10upx;

				.price {
					margin-bottom: 4upx;
				}

				.num {
					font-size: 26upx;
					color: $font-color-base;
					margin-left: 20upx;
				}
			}

			.step-box {
				position: relative;
			}
		}
	}

	.yt-list {
		margin-top: 16upx;
		background: #fff;
	}

	.yt-list-cell {
		display: flex;
		align-items: center;
		padding: 10upx 30upx 10upx 40upx;
		line-height: 70upx;
		position: relative;

		&.cell-hover {
			background: #fafafa;
		}

		&.b-b:after {
			left: 30upx;
		}

		.cell-icon {
			height: 32upx;
			width: 32upx;
			font-size: 22upx;
			color: #fff;
			text-align: center;
			line-height: 32upx;
			background: #f85e52;
			border-radius: 4upx;
			margin-right: 12upx;

			&.hb {
				background: #ffaa0e;
			}

			&.lpk {
				background: #3ab54a;
			}
		}

		.cell-more {
			align-self: center;
			font-size: 24upx;
			color: $font-color-light;
			margin-left: 8upx;
			margin-right: -10upx;
		}

		.cell-tit {
			flex: 1;
			font-size: 26upx;
			color: $font-color-light;
			margin-right: 10upx;
		}

		.cell-tip {
			font-size: 26upx;
			color: $font-color-dark;

			&.disabled {
				color: $font-color-light;
			}

			&.active {
				color: $base-color;
			}

			&.red {
				color: $base-color;
			}
		}

		&.desc-cell {
			.cell-tit {
				max-width: 90upx;
			}
		}

		.desc {
			flex: 1;
			font-size: $font-base;
			color: $font-color-dark;
		}
	}

	/* 支付列表 */
	.pay-list {
		padding-left: 40upx;
		margin-top: 16upx;
		background: #fff;

		.pay-item {
			display: flex;
			align-items: center;
			padding-right: 20upx;
			line-height: 1;
			height: 110upx;
			position: relative;
		}

		.icon-weixinzhifu {
			width: 80upx;
			font-size: 40upx;
			color: #6bcc03;
		}

		.icon-alipay {
			width: 80upx;
			font-size: 40upx;
			color: #06b4fd;
		}

		.icon-xuanzhong2 {
			display: flex;
			align-items: center;
			justify-content: center;
			width: 60upx;
			height: 60upx;
			font-size: 40upx;
			color: $base-color;
		}

		.tit {
			font-size: 32upx;
			color: $font-color-dark;
			flex: 1;
		}
	}

	.footer {
		position: fixed;
		left: 0;
		bottom: 0;
		z-index: 995;
		display: flex;
		align-items: center;
		width: 100%;
		height: 90upx;
		justify-content: space-between;
		font-size: 30upx;
		background-color: #fff;
		z-index: 998;
		color: $font-color-base;
		box-shadow: 0 -1px 5px rgba(0, 0, 0, 0.1);

		.price-content {
			padding-left: 30upx;
		}

		.price-tip {
			color: $base-color;
			margin-left: 8upx;
		}

		.price {
			font-size: 36upx;
			color: $base-color;
		}

		.submit {
			display: flex;
			align-items: center;
			justify-content: center;
			width: 280upx;
			height: 100%;
			color: #fff;
			font-size: 32upx;
			background-color: $base-color;
		}
	}

	/* 优惠券面板 */
	.mask {
		display: flex;
		align-items: flex-end;
		position: fixed;
		left: 0;
		top: var(--window-top);
		bottom: 0;
		width: 100%;
		background: rgba(0, 0, 0, 0);
		z-index: 9995;
		transition: 0.3s;

		.mask-content {
			width: 100%;
			min-height: 30vh;
			max-height: 70vh;
			background: #f3f3f3;
			transform: translateY(100%);
			transition: 0.3s;
			overflow-y: scroll;
		}

		&.none {
			display: none;
		}

		&.show {
			background: rgba(0, 0, 0, 0.4);

			.mask-content {
				transform: translateY(0);
			}
		}
	}

	/* 优惠券列表 */
	.coupon-item {
		display: flex;
		flex-direction: column;
		margin: 20upx 24upx;
		background: #fff;

		.con {
			display: flex;
			align-items: center;
			position: relative;
			height: 120upx;
			padding: 0 30upx;

			&:after {
				position: absolute;
				left: 0;
				bottom: 0;
				content: '';
				width: 100%;
				height: 0;
				border-bottom: 1px dashed #f3f3f3;
				transform: scaleY(50%);
			}
		}

		.left {
			display: flex;
			flex-direction: column;
			justify-content: center;
			flex: 1;
			overflow: hidden;
			height: 100upx;
		}

		.title {
			font-size: 32upx;
			color: $font-color-dark;
			margin-bottom: 10upx;
		}

		.time {
			font-size: 24upx;
			color: $font-color-light;
		}

		.right {
			display: flex;
			flex-direction: column;
			justify-content: center;
			align-items: center;
			font-size: 26upx;
			color: $font-color-base;
			height: 100upx;
		}

		.price {
			font-size: 44upx;
			color: $base-color;

			&:before {
				content: '￥';
				font-size: 34upx;
			}
		}

		.tips {
			font-size: 24upx;
			color: $font-color-light;
			line-height: 60upx;
			padding-left: 30upx;
		}

		.circle {
			position: absolute;
			left: -6upx;
			bottom: -10upx;
			z-index: 10;
			width: 20upx;
			height: 20upx;
			background: #f3f3f3;
			border-radius: 100px;

			&.r {
				left: auto;
				right: -6upx;
			}
		}
	}
</style>
